June 6, 2017 Gwinnett County: ÊA large police presence gathered around two Department of Corrections buses that pulled over to the shoulder of southbound I-85 just before Jimmy Carter Blvd. Tuesday, June 6, 2017 the WSB 24-hour Traffic Center reported. The incident occurred before 6 a.m. and led to traffic delays in the area. One of the two buses later left the scene and the police leaving the one bus. No further information was made available. JOHN SPINK/JSPINK@AJC.COM

Of the nine counties included in the study, Gwinnett County outpaced six — Cobb, DeKalb, Douglas, Fayette, Fulton and Rockdale — in growth rates. DeKalb’s rate was the lowest, at 1.23 percent. Henry County grew by 2.4 percent (5,400 people) and Cherokee County grew by 3.04 percent (7,300 people). Both counties have smaller populations than Gwinnett County. None of the counties in the study decreased in population.